Unlock Zapdos Day during Professor Willow's Global Challenge! – Pokémon GO

PSA] If you want to plan ahead for Zapdos (or Moltres) Day, we already know it's coming on July 21st : r/TheSilphRoad

Pokémon GO Fest 2020, Pokémon GO Wiki

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Giovanni returns to Pokemon Go with Shadow Zapdos, Moltres & Articuno Special Research - Dexerto

Unlock Zapdos Day by Completing Professor Willow's Global Challenge - Gamepur

Double candy live : r/TheSilphRoad

Second round of the Global Challenge announced for Pokémon GO, featuring Zapdos!

Thank You for an Incredible Pokémon GO Fest, Chicago! – Niantic Labs

35 RAID in 3 HOURS?! IS IT POSSIBLE?? SHINY ZAPDOS RAIDING FRENZY! 2 100 IV ZAPDOS - Pokemon Go

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Thank You for an Incredible Pokémon GO Fest, Chicago! – Niantic Labs